How many cards from a standard deck (13 ranks in each of 4 suits) must be dealt to guarantee: (a) at least three of the same rank? (b) at least three 6's? (c) at least three of the same suit? (d) at least 3 hearts?

Mr. Torres took his students to the dolphin show. Each row in the stadium had 11 seats. One adult sat at each end of a row, and each group of 4 students was seated between two adults. Mr. Torres sat by himself. How many adults were there.

A 6 sided die is rolled twice. What is the probability of rolling a 2 followed by a 4

How do u find the base of a triangle

How do you solve for 3x=-8 - 2y

What do you notice about the sign of the product of two negative integers

What is 2 square roots between 9and 10?

An office supply store sells pencils individually or by the case. Pencils purchased individually cost $0.97 each. One case of forty pencils costs $37.20. You have an annual budget of $95.00 for pencils. Without exceeding the annual budget of $95.

Suppose you were a carpenter. Give the lenght, width, and height of a storage cabinet with a volume of 72 cubic feet that you would build. Explain your choice.

Jade is making a square birthday card and she's going to put a ribbon borders on each of the 4 equal sides piece of ribbon that is 33 inches long do you have all of the ribbon how many inches of ribbon conget put on all equals side

Suppose that textbook weights are normally distributed. You measure 28 textbooks' weights, and find they have a mean weight of 76 ounces. Assume the population standard deviation is 12.3 ounces.